dense index

英 [dens ˈɪndeks]

美 [dens ˈɪndeks]

稠密索引

The nitrifying granules were dense when the heterotrophy granules disaggregated on day 160. The value of sludge volume index ( SVI) was below 20 ml/ g and the mean granules size was about 1.2 mm.
试验运行至第160天时，异养颗粒污泥破裂解体时，硝化颗粒污泥仍结构致密，没有破裂现象发生，SVI值保持在20ml／g以下，颗粒粒径在1.2mm左右。
The notion of order dependency is introduced in the paper, two types of indexes, called sparse index and dense index, are discussed.
本文介绍了顺序相关的概念，并讨论了稠密和稀疏索引的问题。
The dense of DO in the sewage is an important index for sewage treatment when using activated sludge method.
污水中溶解氧的浓度是利用活性污泥法进行污水处理的关键参数。
The later period is from 20 years after conversion initiation to current time. The period is the stable period characterized by the forest with dense canopy and a modest decline in soil quality index.
退耕后期，退耕20a后，林分相对稳定期，林分郁闭度增大，土壤质量指数随之下降；